/*
 * Copyright 2016 Google Inc. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

@testable import Blockly
import XCTest

class FieldVariableTest: XCTestCase {

  // MARK: - Internal static methods

  func testFieldVariable_validNameChange() {
    let fieldVariable = FieldVariable(name: "name", variable: "initial")

    BKYAssertDoesNotThrow { try fieldVariable.setVariable("newVariable") }
    XCTAssertEqual("newVariable", fieldVariable.variable)
  }

  func testFieldVariable_invalidNameChange() {
    let fieldVariable = FieldVariable(name: "name", variable: "initial")

    BKYAssertThrow(errorType: BlocklyError.self) { try fieldVariable.setVariable("") }
  }

  func testValidName() {
    XCTAssertTrue(FieldVariable.isValidName("foo"))
    XCTAssertTrue(FieldVariable.isValidName("bar"))
    XCTAssertFalse(FieldVariable.isValidName(""))
  }
}
